Fishing knife



FIG. 1 is a first perspective view of a fishing knife showing my new design thereof;

FIG. 2 is a front view of the fishing knife shown in FIG. 1;

FIG. 3 is a rear view of the fishing knife shown in FIG. 1;

FIG. 4 is a first side view of the fishing knife shown in FIG. 1;

FIG. 5 is a second side view of the fishing knife shown in FIG. 1;

FIG. 6 is a top view of the fishing knife shown in FIG. 1;

FIG. 7 is a bottom view of the fishing knife shown in FIG. 1; and,

FIG. 8 is a second perspective view of the fishing knife shown in FIG. 1. 

CLAIM The ornamental design for a fishing knife, as shown as described. 